2 years ago

Please help. Will mark brainliest if correct. ( links will be banned)

Mathematics

1 answer:

artcher [175]2 years ago

4 0

Answer:

hello again lol

Step-by-step explanation:

let x be the percentage

given,

x% of $350= $280

x/100 * 350 = 280

x= 280*100/350= 80%

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Slav-nsk [51]

Answer:

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Step-by-step explanation:

8 0

2 years ago

9 7/8 - ( -2 4/5 - 1/2)

Viefleur [7K]

Answer:

9 7/8 - ( -2 4/5 - 1/2) = 13.175

Step-by-step explanation:

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3 0

2 years ago

Part of the proceeds from a garage sale was $470 worth of $10 and $20 bills. If there were 14 more $10 bills than $20 bills, fin

Brums [2.3K]

There are 25 $10 bills and 11 $20 bills.

Step-by-step explanation:

Given,

Worth of proceeds from garage = $470

Let,

x be the number of $10 bills

y be the number of $20 bills.

According to given situation;

10x+20y=470 Eqn 1

x = y+14 Eqn 2

Putting value of x from Eqn 2 in Eqn 1

$10(y+14)+20y=470\\10y+140+20y=470\\30y=470-140\\30y=330$

Dividing both sides by 30

$\frac{30y}{30}=\frac{330}{30}\\y=11$

Putting y=11 in Eqn 2

$x=11+14\\x=25$

There are 25 $10 bills and 11 $20 bills.

Keywords: linear equation, substitution method

Learn more about linear equations at:

#LearnwithBrainly

5 0

2 years ago

guys need help asap plz ill give brainliest to first person that is correct. you put the answer for 1c and 2 below. I just need

schepotkina [342]

But where is the question???

6 0

2 years ago

Read 2 more answers

A slice is made parallel to the base of a square pyramid.

Ivanshal [37]

Answer:

a) Triangle.

b) Triangle.

c) The area is 110 cm.

Step-by-step explanation:

The shape is given because it is a cross section of a Pyramid which we can see shaded in grey.

The area is given by the base times hight devided by 2. So 10cm * 22cm/2= 110cm.

Hope this helped ;)

6 0

2 years ago